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<?php function isPrime($num) { for ($i=2; i < $num/2; $i++) { if ($num % $i == 0) { return false; } } return true; } var_dump(isPrime(10));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "i" in /in/6uZJ2:4 Stack trace: #0 /in/6uZJ2(12): isPrime(10) #1 {main} thrown in /in/6uZJ2 on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/6uZJ2 on line 4 bool(false)
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant i - assumed 'i' in /in/6uZJ2 on line 4 bool(false)
preferences:
174.04 ms | 402 KiB | 273 Q